/* Base Header Reset */
.site-header { display: none !important; }

.spn-header {
    width: 100%;
    position: fixed;
    top: 0; left: 0; z-index: 99999;
    font-family: 'Inter', sans-serif;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.spn-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- 1. Skin Glassmorphism --- */
.spn-skin-glassmorphism {
    background: rgba(30, 30, 30, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}
.spn-skin-glassmorphism .spn-menu li a { color: #fff; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }
.spn-skin-glassmorphism .spn-icon { color: #fff; }

/* --- 2. Skin Floating --- */
.spn-skin-floating {
    top: 20px;
    width: 90%;
    left: 5%;
    border-radius: 50px;
    background: #fff;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}
.spn-skin-floating .spn-menu li a, .spn-skin-floating .spn-icon { color: #222; font-weight: 600; }
.spn-skin-floating .spn-logo h2 { color: #222 !important; }

/* --- 3. Skin Neumorphism --- */
.spn-skin-neumorphism {
    background: #e0e5ec;
    border-radius: 0 0 20px 20px;
    box-shadow: 9px 9px 16px rgb(163,177,198,0.6), -9px -9px 16px rgba(255,255,255, 0.5);
}
.spn-skin-neumorphism .spn-menu li a, .spn-skin-neumorphism .spn-icon { color: #444; font-weight: 600; }
.spn-skin-neumorphism .spn-logo h2 { color: #444 !important; }

/* --- 4. Skin Gradient Blur --- */
.spn-skin-gradient-blur {
    background: linear-gradient(135deg, rgba(23, 23, 23, 0.5), rgba(70, 70, 70, 0.4));
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.spn-skin-gradient-blur .spn-menu li a, .spn-skin-gradient-blur .spn-icon { color: #fff; }

/* --- 5. Skin Sidebar Slide --- */
.spn-skin-sidebar-slide { background: transparent; }
.spn-skin-sidebar-slide .spn-nav-wrapper {
    position: fixed; top: 0; right: -400px;
    width: 350px; height: 100vh;
    background: #111; transition: 0.5s cubic-bezier(0.77,0.2,0.05,1);
    padding-top: 100px; padding-left: 40px; box-shadow: -10px 0 50px rgba(0,0,0,0.5);
}
.spn-skin-sidebar-slide.menu-open .spn-nav-wrapper { right: 0; }
.spn-skin-sidebar-slide .spn-menu { flex-direction: column; align-items: flex-start; }
.spn-skin-sidebar-slide .spn-menu li a { color: #fff; font-size: 22px; padding: 15px 0; }
.spn-skin-sidebar-slide .spn-icon { color: #222; }
.spn-skin-sidebar-slide .spn-hamburger { display: flex; } /* Her zaman göster */
.spn-skin-sidebar-slide .spn-hamburger span { background: #111; }

/* --- 6. Skin Fullscreen Overlay --- */
.spn-skin-fullscreen { background: transparent; }
.spn-skin-fullscreen .spn-nav-wrapper {
    position: fixed; top:0; left:0; width:100%; height:100vh;
    background: rgba(10,10,10,0.95); backdrop-filter: blur(10px);
    display: flex; align-items:center; justify-content:center;
    opacity: 0; pointer-events: none; transition: 0.5s ease;
}
.spn-skin-fullscreen.menu-open .spn-nav-wrapper { opacity: 1; pointer-events: auto; }
.spn-skin-fullscreen .spn-menu { flex-direction: column; text-align: center; }
.spn-skin-fullscreen .spn-menu li a { color: #fff; font-size: 36px; line-height: 2; font-weight: 700; }
.spn-skin-fullscreen .spn-icon { color: #222; }
.spn-skin-fullscreen .spn-hamburger { display: flex; }
.spn-skin-fullscreen .spn-hamburger span { background: #111; }
.spn-skin-fullscreen.menu-open .spn-hamburger span { background: #fff; }

/* --- 7. Skin Morphing --- */
.spn-skin-morphing {
    background: #111;
    border-radius: 0 0 50% 50% / 0 0 30px 30px;
    transition: all 0.5s ease;
}
.spn-skin-morphing.scrolled {
    border-radius: 0;
    background: rgba(17,17,17,0.8);
    backdrop-filter: blur(15px);
}
.spn-skin-morphing .spn-menu li a, .spn-skin-morphing .spn-icon { color: #fff; }

/* --- Genel Menü Dizilimi --- */
.spn-menu { list-style: none; margin: 0; padding: 0; display: flex; gap: 35px; align-items: center; }
.spn-menu li { position: relative; }
.spn-menu li a { text-decoration: none; font-weight: 500; font-size: 16px; opacity: 0.85; transition: 0.3s; }
.spn-menu li a:hover { opacity: 1; text-shadow: 0 0 10px rgba(255,255,255,0.8); }

/* --- Submenu (Dropdown) Desteği --- */
.spn-menu li ul {
    position: absolute; top: calc(100% + 15px); left: 0; 
    background: #fff; border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    min-width: 220px; padding: 20px; display: block;
    transform: translateY(20px); opacity: 0; pointer-events: none;
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.spn-menu li:hover > ul {
    transform: translateY(0); opacity: 1; pointer-events: auto;
}
.spn-menu li ul li { margin-bottom: 15px; }
.spn-menu li ul li:last-child { margin-bottom: 0; }
.spn-menu li ul li a { color: #222 !important; font-size: 15px; text-shadow: none !important; font-weight: 500; display: block; }
.spn-menu li ul li a:hover { color: #0073e6 !important; padding-left: 5px; }

/* --- Sosyal İkonlar --- */
.spn-socials { display: flex; gap: 18px; align-items: center; }
.spn-icon { width: 22px; height: 22px; fill: currentColor; transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.spn-icon:hover { transform: translateY(-5px) scale(1.2); }

/* --- Mobil Hamburger Animasyonu --- */
.spn-hamburger { display: none; cursor: pointer; flex-direction: column; gap: 6px; z-index: 100000; }
.spn-hamburger span { width: 32px; height: 3px; background: currentColor; transition: 0.4s ease; border-radius: 3px; }
.spn-skin-glassmorphism .spn-hamburger span, .spn-skin-gradient-blur .spn-hamburger span, .spn-skin-morphing .spn-hamburger span { background: #fff; }

.spn-hamburger.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.spn-hamburger.active span:nth-child(2) { opacity: 0; }
.spn-hamburger.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* --- Mobil Responsive Tasarım --- */
@media(max-width: 1024px) {
    /* Fullscreen ve Sidebar zaten özel çalışıyor, onlar hariç standart mobilleşme: */
    .spn-header:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-hamburger { display: flex; }
    .spn-header:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-socials { display: none; }
    
    .spn-header:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-nav-wrapper {
        position: fixed; top: 0; right: -100%; width: 85%; max-width: 400px; height: 100vh;
        background: #fff; display: flex; flex-direction: column; padding: 100px 40px;
        transition: 0.5s cubic-bezier(0.77,0.2,0.05,1); box-shadow: -10px 0 50px rgba(0,0,0,0.1); 
    }
    .spn-header.menu-open:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-nav-wrapper { right: 0; }
    
    .spn-header:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-menu { flex-direction: column; width: 100%; gap: 20px; align-items: flex-start;}
    .spn-header:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-menu li a { font-size: 22px; color: #111 !important; text-shadow: none !important; font-weight: 600;}
    
    /* Mobil Submenu */
    .spn-header:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-menu li ul { 
        position: relative; box-shadow: none; display: none; padding: 10px 0 10px 20px; transform: none; opacity: 1; pointer-events: auto; background: transparent; border-left: 2px solid #eee; border-radius: 0;
    }
    .spn-header:not(.spn-skin-fullscreen):not(.spn-skin-sidebar-slide) .spn-menu li.mobile-dropdown-open > ul { display: block; }
    
    .spn-mobile-overlay {
        position: fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.6); backdrop-filter: blur(5px);
        opacity:0; pointer-events:none; transition: 0.5s; z-index: -1;
    }
    .spn-header.menu-open .spn-mobile-overlay { opacity:1; pointer-events:auto; }
}